पानी की शून्य कठोरता (Zero hardness) निम्नलिखित में से किस विधि द्वारा प्राप्त की जाती है?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?